The "Dark Matter" Proposition

The "dark matter" proposition:

A) is used to explain the U.S. deficit in income in the balance of payments while having a negative net international investment position
B) suggests that the U.S. exports inferior managerial knowhow, which bolsters income flows in return to the United States
C) states that greater returns are earned on assets abroad
D) is used to explain the U.S. surplus in income in the balance of payments while having a negative net international investment position
E) postulates that experiments at CERN might be mysteriously affecting international transactions